Stiles might be embarrassed, but it's difficult to remember why when Derek is looking at him like that, and moving like that. He bumps his forehead against Derek's lightly--not entirely on purpose--and bites his lip in retaliation. "You are going to need that supernatural healing," he says, wryly, and then kisses the bitten part gently.
"But...yes." He moves his hands down Derek's ridiculously muscled back, and then his even more ridiculous ass, holding on as he moves against him. "This is...definitely on the list of things I want."